MESON Chess Problem Database

Problem Display
PID: 124389 (2b2r2/1p1R1P2/1P2kP1r/8/B2p2P1/3K2B1/8/5R2 w - - 0 1)

Shire, David J

Szoghy-80 MT, 1993

2b2r2/1p1R1P2/1P2kP1r/8/B2p2P1/3K2B1/8/5R2

#2

9 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rxf6
      • 2.Re1#
    • 1...Rxf7
      • 2.Rd6#
    • 1...Re8
      • 2.fxe8Q#
      • 2.fxe8R#
    • 1...Rg8
      • 2.fxg8Q#
      • 2.fxg8B#
    • 1...Bxd7
      • 2.Bb3#
  • Tries
    • 1.Kc4?
      • threat
        • 2.Re7#
      • 1...Rxf6
        • 2.Re1#
      • 1...Rxf7
        • 2.Rd6#
      • 1...Re8
        • 2.fxe8Q#
        • 2.fxe8R#
      • 1...Bxd7!
    • 1.Kxd4?
      • threat
        • 2.Re7#
      • 1...Rxf6
        • 2.Re1#
      • 1...Rxf7
        • 2.Rd6#
      • 1...Bxd7
        • 2.Bb3#
      • 1...Re8
        • 2.fxe8Q#
        • 2.fxe8R#
      • 1...Rd8!
    • 1.Ke4?
      • threat
        • 2.Re7#
      • 1...Rxf7
        • 2.Rd6#
      • 1...Bxd7
        • 2.Bb3#
      • 1...Re8
        • 2.fxe8Q#
        • 2.fxe8R#
      • 1...Rxf6!
  • Keys
    • 1.Rf5!
      • threat
        • 2.Re7#
      • 1...Rxf6
        • 2.Re5#
      • 1...Rxf7
        • 2.Rd6#
      • 1...Bxd7
        • 2.Bb3#
      • 1...Re8
        • 2.fxe8Q#
        • 2.fxe8R#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • R(c);SBLOCK,XP(G)::R(A)
    • R(f);SBLOCK,XP(I)::R1(H)
    • R(f);OGATE::PXR(f)=Q
    • B(e);SBLOCK,XR(H)::B(D)
  • Tries
    • Try
      • K(B);S_FLIGHT
      • Threat
        • R1(H)
      • Vars
        • R(c);SBLOCK,XP(G)::R(A)
        • R(f);SBLOCK,XP(I)::R1(H)
        • R(f);OGATE::PXR(f)=Q
      • Refutation
        • B(e);XR(H)
    • Try
      • K(B);P-FLIGHT,XP(a)
      • Threat
        • R1(H)
      • Vars
        • R(c);SBLOCK,XP(G)::R(A)
        • R(f);SBLOCK,XP(I)::R1(H)
        • B(e);SBLOCK,XR(H)::B(D)
        • R(f);OGATE::PXR(f)=Q
      • Refutation
        • R(f);P_PINR(H)
    • Try
      • K(B);S_FLIGHT
      • Threat
        • R1(H)
      • Vars
        • R(f);SBLOCK,XP(I)::R1(H)
        • B(e);SBLOCK,XR(H)::B(D)
        • R(f);OGATE::PXR(f)=Q
      • Refutation
        • R(c);XP(G)
  • Actual
    • R(A);
    • Threat
      • R1(H)
    • Vars
      • R(c);SBLOCK,XP(G)::R1(A)
      • R(f);SBLOCK,XP(I)::R1(H)
      • B(e);SBLOCK,XR(H)::B(D)
      • R(f);OGATE::PXR(f)=Q
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